<template>
  <div class="report">
    <!-- 面包屑导航栏 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item to="/home/welcome">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card shadow="always" :body-style="{ padding: '20px' }">
      <!-- 图表区域 -->
      <div id="main" style="width: 750px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
export default {
  data () {
    return {
      reportList: {}
    }
  },
  async  mounted () {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));
    var options = {
      title: {
        text: '用户来源'
      },
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'cross',
          label: {
            backgroundColor: '#E9EEF3'
          }
        }
      },
      grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
      },
      xAxis: [
        {
          boundaryGap: false
        }
      ],
      yAxis: [
        {
          type: 'value'
        }
      ]
    }

    await this.getReport();
    // Object.assign(this.reportList, options);
    // 指定图表的配置项和数据
    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption({ ...options, ...this.reportList });
  },
  methods: {
    async getReport () {
      const res = await this.axios.get('reports/type/1');
      this.reportList = res.data;
    }
  },
  created () {

  },
}
</script>

<style>
</style>